5143581381 has 8 divisors (see below), whose sum is σ = 7043462944. Its totient is φ = 3336377040.

The previous prime is 5143581343. The next prime is 5143581383. The reversal of 5143581381 is 1831853415.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5143581381 - 2¹¹ = 5143579333 is a prime.

It is a super-2 number, since 2×5143581381² = 52912858845939734322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5143581383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23169175 + ... + 23169396.

It is an arithmetic number, because the mean of its divisors is an integer number (880432868).

Almost surely, 2^5143581381 is an apocalyptic number.

It is an amenable number.

5143581381 is a deficient number, since it is larger than the sum of its proper divisors (1899881563).

5143581381 is a wasteful number, since it uses less digits than its factorization.

5143581381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46338611.

The product of its digits is 57600, while the sum is 39.

The square root of 5143581381 is about 71718.7658915015. The cubic root of 5143581381 is about 1726.1897700853.

The spelling of 5143581381 in words is "five billion, one hundred forty-three million, five hundred eighty-one thousand, three hundred eighty-one".